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基于多源数据与sDNA的TOD网络评价与空间优化——以杭州为例

Evaluation and Spatial Optimization of Transit-Oriented Development(TOD) Network Based on Multi-source Data and Space Syntax DNA(sDNA): A Case Study of Hangzhou

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【作者】 李杨杨; 冯金晗; 石坚韧; 赵秀敏;

【通讯作者】 石坚韧;

【机构】 浙江工商大学旅游与城乡规划学院; 浙江工商大学艺术设计学院;

【摘要】 城市枢纽节点及其关联优势空间构成了都市生命体的神经元,并已形成网络结构,这决定了国家和区域中心城市的空间规划与发展方向。基于多源数据和5D规划原则,构建杭州市地铁TOD站域综合效能评价指标体系,在立体空间下对其进行定量测算;运用耦合协调度模型分析各类TOD站域的协调度,并通过可视化方法分析了TOD站域效能及TOD站域类型的空间分异特征。结果显示:(1)节点效能以市中心为核心向外逐渐递减,在主城区呈现连片集聚态势,萧山形成了次级中心,但功能失衡区域存在“中心塌陷”现象;场所效能集中于市中心轴线及金沙湖区域,远郊地区效能较低,这反映出中心区开发已趋于饱和,需要进行存量提质;网络效能方面,老城区交通交互性强,外围区域服务功能薄弱;综合效能沿地铁线路向心递减,虽然局部功能有所提升,但整体仍未突破单中心圈层结构,需要强化多中心协同与功能整合。(2)TOD站域可分为6类8型,站域类别与类型的空间分异呈现“核心—边缘”的向心性特征,中心区站域类/型符合圈层结构,而部分近远郊区域出现非核心交错分布情况,整体缺乏优质协调型站域。

【Abstract】 Urban hub nodes and their associated advantageous spaces constitute the neurons of the urban living organism and have formed a network structure, which determines the spatial planning and development directions of national and regional-central cities. Based on multisource data and the 5D planning principle, an evaluation index system for the comprehensive efficiency of the Transit-Oriented Development(TOD) station areas of the Hangzhou Metro was established, and quantitative calculations were carried out in a three-dimensional space. The coupling coordination degree model was used to analyze the coordination degree of various TOD station areas, and the spatial differentiation characteristics of the efficiency and types of TOD station areas were analyzed through visualization methods. The results show that:(1) The node efficiency gradually decreases from the city center outwards, showing a contiguous agglomeration trend in the main urban area, with a secondary center formed in Xiaoshan. However, there is a "center collapse" phenomenon inareas with unbalanced functions. The place efficiency is concentrated along the city center axis and in the Jinsha Lake area, and is relatively low in the outer suburbs, indicating that the development of the central area has reached saturation and there is a need to improve the quality of the existing stock. In terms of network efficiency, the old urban area has strong traffic interaction, while the peripheral areas have weak service functions. The comprehensive efficiency decreases centripetally along the subway lines. Although there have been improvements in local functions, the overall structure still hasn’t broken through the single-center circular structure, and it is necessary to strengthen multi-center collaboration and functional integration.(2) The TOD station areas can be divided into 6 categories and 8 types. The spatial differentiation of the station area categories and types shows a "core-periphery" centripetal characteristic. The station area categories and types in the central area conform to the circular structure, while in some near and far suburban areas, there are non-core interlaced distributions, and overall, there is a lack of high-quality coordinated station areas.

【基金】 浙江省哲学社会科学规划课题(项目编号:25NDJC052YB);浙江省大学生科技创新计划(新苗)(项目编号:2024R408A007)
  • 【文献出处】 建筑与文化 ,Architecture & Culture , 编辑部邮箱 ,2025年12期
  • 【分类号】TU984.113
  • 【下载频次】18
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